<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_View
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: View.php 18951 2009-11-12 16:26:19Z alexander $
 */


/**
 * Abstract master class for extension.
 */
require_once 'Zend/View/Abstract.php';


/**
 * Concrete class for handling view scripts.
 *
 * @category   Zend
 * @package    Zend_View
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_View extends Zend_View_Abstract
{
	/**
	 * Whether or not to use streams to mimic short tags
	 * @var bool
	 */
	private $_useViewStream = false;

	/**
	 * Whether or not to use stream wrapper if short_open_tag is false
	 * @var bool
	 */
	private $_useStreamWrapper = false;

	/**
	 * Constructor
	 *
	 * Register Zend_View_Stream stream wrapper if short tags are disabled.
	 *
	 * @param  array $config
	 * @return void
	 */
	public function __construct($config = array())
	{
		$this->_useViewStream = (bool) ini_get('short_open_tag') ? false : true;
		if ($this->_useViewStream) {
			if (!in_array('zend.view', stream_get_wrappers())) {
				require_once 'Zend/View/Stream.php';
				stream_wrapper_register('zend.view', 'Zend_View_Stream');
			}
		}

		if (array_key_exists('useStreamWrapper', $config)) {
			$this->setUseStreamWrapper($config['useStreamWrapper']);
		}

		parent::__construct($config);
	}

	/**
	 * Set flag indicating if stream wrapper should be used if short_open_tag is off
	 *
	 * @param  bool $flag
	 * @return Zend_View
	 */
	public function setUseStreamWrapper($flag)
	{
		$this->_useStreamWrapper = (bool) $flag;
		return $this;
	}

	/**
	 * Should the stream wrapper be used if short_open_tag is off?
	 *
	 * @return bool
	 */
	public function useStreamWrapper()
	{
		return $this->_useStreamWrapper;
	}

	/**
	 * Includes the view script in a scope with only public $this variables.
	 *
	 * @param string The view script to execute.
	 */
	protected function _run()
	{
		if ($this->_useViewStream && $this->useStreamWrapper()) {
			include 'zend.view://' . func_get_arg(0);
		} else {
			include func_get_arg(0);
		}
	}
}
